A teenager who surrendered before carrying out a suicide bombing attack in northern Cameroon has told authorities she was one of the 276 girls abducted from a Nigerian boarding school by Islamic extremists nearly two years ago, authorities said Saturday.

The development would mark the first news update of the missing Chibok girls in several months if confirmed. Officials have longed feared that some of the girls are being used to carry out such attacks by their Boko Haram abductors given the growing number of female suicide bombers.

The girl, who is believed to be about 15 years old, turned herself in before detonating her explosives. “The girl looked tired, malnourished and psychologically tortured and could not give us more details about her stay in the forest and how her other mates were treated,” he said.

Cameroon has ordered investigations to determine the authenticity of the 15-year-old’s declarations, said Midjiyawa Bakari, governor of the Far North region. Cameroonian authorities declined to identify her by name because she is a minor.

Read more at JET.